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Bureau of Mines Information Circular/1980 




MILS: The Mineral Industry Location 
System of the Federal Bureau of Mines 

By Andrew W. Berg and Fred V. Carrillo 




UNITED STATES DEPARTMENT OF THE INTERIOR 



Information Circular 8815 



MILS: The Mineral Industry Location 
System of the Federal Bureau of Mines 

By Andrew W. Berg and Fred V. Carrillo 




UNITED STATES DEPARTMENT OF THE INTERIOR 
Cecil D. Andrus, Secretary 

BUREAU OF MINES 

Lindsay D. Norman, Acting Director 



As the Nation's principal conservation agency, the Department of the Interior 
has responsibility for most of our nationally owned public lands and natural 
resources. This includes fostering the wisest use of our land and water re- 
sources, protecting our fish and wildlife, preserving the environmental and 
cultural values of our national parks and historical places, and providing for 
the enjoyment of life through outdoor recreation. The Department assesses 
our energy and mineral resources and works to assure that their development is 
in the best interests of all our people. The Department also has a major re- 
sponsibility for American Indian reservation communities and for people who 
live in Island Territories under U.S. administration. 



This publication has been cataloged as follows: 



Berg, Andrew W 

MILS, the mineral industry location system of the Federal 
Bureau of Mines. 

(Information circular - Bureau of Mines ; 8815) 

Supt. of Docs, noo: I 28.27:8815- 

1. MILS (Information retrieval system).!. Carrillo, Fred V., joint au- 
thor. II. Tide. III. Series: United States. Bureau of Mines. Information 
circular ; 8815. 



TN295.U4 [Z699.5.M5] 029.7 79-607770 



^ CONTENTS 

c4 Pa ge 

— CN) Abstract. 1 

^s^ Introduction. 1 

<; Input 2 

^ Sources of data 2 

Categories of information 2 

Identification 4 

Location 4 

Universal Transverse Mercator (UTM) 4 

Topographic 4 

Basin 4 

Holdings 4 

Reference 4 

Coinmodl ty 4 

Public land survey (PLS) 4 

Names 5 

Bibliography 5 

Owners 5 

Precision 5 

Updating procedures 5 

Output available 5 

Open file at the Western Field Operations Center 5 

1 : 250 , 000-scale topographic quadrangles 5 

l:500,000-scale State overlays 7 

Commodity overlays 7 

Cluster point locations 7 

Density plot overlays 8 

Indexes 8 

Reproduction of open file data 8 

Special requests 8 

Magnetic tape 8 

Special areas or data 9 

Special request listings 9 

Field operations centers 11 

Appendix A. — Computer entry forms 12 

Appendix B. — Computer cluster overlays and printouts 14 

Appendix C. — Density plot overlays 21 

Appendix D . — Indexes 23 

ILLUSTRATIONS 

1. Field Operations Center jurisdiction areas 3 

2. Index for 1: 250, 000-scale quadrangle maps covering six Western 

States 6 

">-« 3. Examples of some output options for MILS 10 

'^^ A-1 . MILS entry form 1 12 

c^^ A-2. MILS entry form 2 13 

3^ B-1. Clustered MILS locations for the Wallace 1:250,000 quadrangle 14 

^^ B-2. Wallace 1:250, 000-scale quadrangle 15 



11 



ILLUSTRATIONS—Continued 



Page 



B-3. MILS printout page for Wallace l:250,000-scale quadrangle 16 

B-4. Clustered MILS locations for Idaho reduced from 1:500,000 scale... 17 

B-5 . MILS printout page for Idaho 18 

B-6. Clustered MILS lead and zinc locations reduced from 1:1,750,000 

scale 19 

B-7. Printout page of lead and zinc occurrences in six Western States.. 20 

C-1. Density plot of MILS locations reduced from 1:7,500,000 scale 21 

C-2. Density plot of gold occurrences reduced from 1:1,750,000 scale... 22 

D-1. Page of State alphabetic index of Idaho MILS locations 23 

D-2. Page of county alphabetic index for Shoshone County MILS locations 24 



MILS: THE MINERAL INDUSTRY LOCATION SYSTEM 
OF THE FEDERAL BUREAU OF MINES 

by 

Andrew W. Berg ^ and Fred V. Carrillo2 



ABSTRACT 

The Bureau of Mines Mineral Industry Location System (MILS) is part of 
the computerized Minerals Availability System (MAS) , a comprehensive data base 
of known mineral deposits. MILS, the location subsystem of MAS, has become 
widely used by the minerals industry and organizations with land -use planning 
and land management responsibilities. 

Information on more than 135,000 mineral locations and processing plants 
in the United States is contained in the data base. This information includes 
the name, location, mineral commodity, type of operation, bibliography, and 
cross-references for each property or prospect. 

Computer-drawn map overlays at various scales showing clustered MILS 
locations and computer printouts keyed to those overlays are available for 
inspection and reproduction at the Bureau's Field Operations Centers at Juneau, 
Alaska, Denver, Colo., Pittsburgh, Pa., and Spokane, Wash. 

INTRODUCTION 

The Mineral Industry Location System (MILS) is the location subsystem of 
the Federal Bureau of Mines Minerals Availability System (MAS). The objective 
of the MAS program is systematic measurement and classification of domestic 
and foreign mineral deposits according to their respective extraction technolo- 
gies, economics, and commercial availability. MAS deals with complete mineral 
deposit evaluations and provides a rapid and systematic procedure to monitor 
the present and potential availability of mineral supplies to the United States 

Within MAS, the Mineral Industry Location System (MILS) locates and pro- 
vides related information on mineral industry sites throughout the world. A 
"mineral industry location" is defined as metallic or nonmetallic occurrences, 
prospects, mines (both past and present producers), geothermal wells, and 
mineral processing plants such as mills, smelters, and refineries. 



^Geologist. 

^Supervisory physical scientist. 
Both authors are with the Western Field Operations Center, Bureau of Mines, 
Spokane, Wash. 



Responsibility for development of MAS-MILS data for California, Idaho, 
Montana, Nevada, Oregon, Washington, and Hawaii, as well as offshore sites and 
deep-seabed deposits, resides with the Bureau's Western Field Operations 
Center (WFOC) at Spokane. Responsibility for the remaining States west of the 
Mississippi River resides with the Intermountain Field Operations Center 
(IFOC) at Denver. Responsibility for all States east of the Mississippi River 
resides with the Eastern Field Operations Center (EFOC) at Pittsburgh. Alaskan 
locations are the responsibility of the Alaska Field Operations Center (AFOC) 
at Juneau (fig. 1). 

Because of differing startup dates. Field Operations Centers are at dif- 
ferent levels of development regarding MAS-MILS input from their areas. To 
date, the MILS data base in Denver contains more than 4,500 locations for the 
AFOC area, 30,000 locations for the IFOC area, 39,000 locations for the EFOC 
area, and 58,000 locations for the WFOC area. Examples discussed in the fol- 
lowing pages are from the WFOC area. 

For Bureau use and open file availability, a comprehensive library of 
MILS data is maintained at WFOC for California, Idaho, Montana, Nevada, Oregon, 
Washington, and* Hawaii. Map overlays of MILS locations and their related com- 
puter printouts provide a rapid means of identifying mineral properties in 
various geographic areas. These often provide a convenient starting point for 
a wide variety of mineral-related projects. 

Principal users of MILS data include mining or minerals exploration com- 
panies as well as public and private organizations with land-use planning and 
land management responsibilities. 

INPUT 

Sources of Data 

MILS data, for entry into the system, are derived from a variety of 
sources. Publications of the Bureau of Mines (USBM) , the U.S. Geological 
Survey (USGS), and State geology departments are reviewed for mineral loca- 
tions and related data. Unpublished data from the USBM and location informa- 
tion from mining companies comprise important additional sources of information. 
Various periodicals dealing with the mining industry, along with inspection 
reports of the Mine Safety and Health Administration (MSHA) on currently oper- 
ating properties, are a constant source of current information to be incorpo- 
rated into the MILS system. 

Categories of Information 

Each MILS property is assigned a numeric code which indicates the State, 
county, and a numeric sequence number within that county. For example, the 
Coeur Project property in Idaho is identified by the number 016-079-0040. 
This indicates the State of Idaho (016), county of Shoshone (079), and numeric 
sequence number (0040) in that county. 

The Information collected for each MILS property, when complete, consists 
of 12 categories or groups, as described in the following paragraphs. 







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Identification 

The identification group contains the primary property name, type of 
operation, and current operational status. 

Location 

Data entered in the location category include latitude, longitude, 
point of reference, elevation, and the year in which the property was last 
field-checked . 

Universal Transverse Mercator (UTM) 

Universal Transverse Mercator (UTM) coordinates are produced automati- 
cally by computer from the latitude-longitude entry, along with zone and 
hemisphere. 

Topographic 

The topographic group includes the name of the 1 :250,000-scale quadrangle 
map that includes the MILS location. Name and scale of the largest scale 
USGS topographic quadrangle map on which the location was plotted for entry 
into MILS are also entered. 

Basin 

Under the basin category, the name of the drainage basin in which the 
mineral property is located and its corresponding USGS River Basin Code are 
entered. 

Holdings 

Holdings indicate the type of ownership or control of the mineral deposit 
or processing plant. Examples are fee ownership, private lease, or located 
claim. Three types can be entered in order of importance. 

Reference 

The MILS subsystem is cross-referenced to MSHA identification numbers, 
USBM mineral property files, USBM mine map repository, USGS Computerized 
Resources Information Bank (CRIB) system, and the soon-to-be-implemented USBM 
drill core library at Reno. The cross-references provide access to a wide 
variety of additional data. 

Commodity 

Mineral commodities are identified in order of decreasing importance. 

Public Land Survey (PLS) 

The PLS group provides for entry of the meridian, township, range, sec- 
tion, and section subdivision. 



Names 

Often a mineral property has had more than one official name. If several 
names are encountered in studying a property's literature, the "names" group 
permits their entry. 

Bibliography 

The bibliography group allows a user of MILS data to consult sources for 
additional information. The system can accommodate as many as 999 lines of 
bibliographic citations. 

Owners 

The name of the owner or operator and the home office location are 
entered in this group . 

Completed computer input forms for the Coeur Project example are illus- 
trated in appendix A. The completed forms can be mailed to the Minerals 
Availability Field Office in Denver for entry into the system or entered at 
the Field Operations Centers on remote computer terminals. 

Precision 

The system provides for an entry reflecting the degree of accuracy by 
which the location selected by the evaluator represents the actual location of 
the property. Location information from published sources is sometimes vague. 
Alternatives to entering such vague locations are either to leave properties 
out of the system or to apply a low degree of precision. The latter course is 
usually followed. When better location information becomes available from 
additional sources or field investigations, the entry is changed to a higher 
degree of precision. 

Updating Procedures 

Additions and corrections to the data base are made as new or additional 
information becomes available. This permits the data base to reflect, on a 
current basis, the latest and best information. Entry by remote terminal at 
Field Operations Centers permits daily updating. 

OUTPUT AVAILABLE 

Open File at the Western Field Operations Center 

1:250,000-Scale Topographic Quadrangles 

Standard base maps used for clear plastic overlays in MILS are USGS 
l:250,000-scale quadrangles. The conterminous United States are covered by 
473 of these quadrangles. The WFOC area is covered by 107 l:250,000-scale 
quadrangles (fig. 2). Computer-generated MILS data supply cluster point 
locations, 2 which are plotted on the overlays. The computer printout keyed 



3See definition of cluster point locations, page 7. 




222 



FIGURE 2. - Index for 1:250, 000-scale quadrangle maps covering six Western States. 



to these cluster numbers contains the corresponding data for each property 
represented on the overlay. Appendix B (fig. B-2) shows a reduced reproduc- 
tion of the l:250,000-scale map for the Wallace, Idaho, quadrangle. Figure B-1 
shows the location symbols that appear on the corresponding computer-drawn 
MILS overlay. Appendix B also Includes a typical page from the corresponding 
computer printout for the Wallace quadrangle (fig. B-3) . The 1 :250,000-scale 
overlays and their corresponding printouts are the most frequently requested 
MILS product. 

1:500,000-Scale State Overlays 

State MILS overlays at a scale of 1:500,000 are available. These over- 
lays can be used with USGS State geologic maps as well as land status or other 
map types. An example of a State overlay Is shown In figure B-4. Figure B-5 
Is a reproduction of a printout page keyed to that overlay. Such overlay and 
printout sets may be useful to organizations with land -use planning, explora- 
tion, or jurisdictional responsibilities on a statewide basis. 

Commodity Overlays 

Another useful overlay is one displaying clustered locations for a 
specific commodity or commodities in MILS. For this purpose a WFOC area base 
map has been prepared at a scale of 1:1,750,000. Figure B-6 illustrates an 
overlay and base map for lead and zinc. Figure B-7 is a computer printout 
page keyed to that overlay. Overlays and printouts for most major metal 
commodities are available at this scale from the WFOC open file library. 

Cluster Point Locations 

Plotting all individual sites on plastic overlays at most map scales 
could result in excessive cluttering of points. To avoid this problem, cluster 
points are used. A cluster point represents all MILS locations lying within 
1/4 inch (0.63 cm) of the point on the overlay (fig. B-1). Circle radii dis- 
tances on the ground represented by the 1/4-inch (0.63-cm) cluster radius at 
various map scales follow: 



Scale 



Cluster radius 



Ground distance 



1:24,000 


1/4 inch 


(0.63 


cm) 


0.10 mile 


( 0.16 km) 


1:62,500 


1/4 inch 


( .63 


cm) 


.25 mile 


( .40 km) 


1:250,000 


1/4 inch 


( .63 


cm) 


1.00 mile 


( 1.61 km) 


1:500,000 


1/4 inch 


( .63 


cm) 


2.00 miles 


( 3.22 km) 


1:1,750,000 


1/4 inch 


( .63 


cm) 


7.00 miles 


(11.26 km) 


1:2,500,000 


1/4 inch 


( .63 


cm) 


10.00 miles 


(16.10 km) 


1:3,168,000 


1/4 inch 


( .63 


cm) 


12.00 miles 


(19.31 km) 



As the map scale becomes larger, the location density per cluster point 
can decrease to a minimum of one site. Even at the small scale of 1:1,750,000, 
with a cluster radius distance on the ground of 7 miles (11.26 km), a cluster 
point may represent only one site within certain areas or for certain 
commodities. 



Density Plot Overlays 

An additional method of displaying MILS data on an overlay is the density 
plot. By this method each MILS location is represented by a single computer- 
generated point on the overlay corresponding to its location coordinates. 
This point generation can be programed for all locations (fig. C-1) , or for 
any selected data category within the system. 

A density plot for gold at a scale of 1:1,750,000 is illustrated by a 
reduced reproduction (fig. C-2). Future uses for density plots could include 
areal geochemical studies and the definition of metallogenic provinces. Den- 
sity plots are available on an open file basis for gold, lead, silver, and 
zinc, and for all MILS locations in the WFOC area. 

Indexes 

Indexes have been prepared to provide efficient access to the voluminous 
MILS data on open file. Two frequently used indexes are the State Alphabetic 
(fig. D-1) and the State/County Alphabetic (fig. D-2) . 

If a property name and county are known, reference to the appropriate 
alphabetic indexes will quickly tell the investigator if the property is in 
the MILS system. If the property name is known, but not the county, then the 
State alphabetic listing will quickly determine if the property is in the 
system. These listings also provide secondary names, location, 1:250,000- 
scale quadrangle name, 7.5- or 15-minute map name, and sequence number. 

Reproduction of Open File Data 

On receipt of a request for MILS open file data, the open file originals 
from the Field Operations Center library are taken to a local reproduction 
firm. Payment for reproduction is arranged between the requestor and the firm 
selected. In 1979 charges for these services varied somewhat between Field 
Operations Centers but were about $0.90 per square foot for plastic overlays 
and $0.09 per page for copies of the computer printout. 

Special Requests 

Magnetic Tape 

A magnetic computer tape containing MILS data for the entire United 
States is available to organizations that wish to use it with their own com- 
puter facilities. This tape can be ordered at cost ($80.00 in late 1979) from 
the Office of Minerals Availability, Bureau of Mines, 2401 E. Street NW, 
Washington, DC 20241. Payment should be made by check or money order to the 
Bureau of Mines. Additional information regarding the MILS computer tape may 
be obtained by calling 202-634-1292. 



Special Areas or Data 

The variety of uses for MILS data has created a demand for overlay con- 
figurations that differ from those currently maintained on open file at the 
Field Operations Centers. A Bureau of Land Management area, National Forest, 
or State land area might be required. Additionally, a need for a different 
set of information using overlays over standard map scales could develop for a 
specific problem. These kinds of output can be obtained on a special-request 
basis through the appropriate Field Operations Center. 

Special requests require consideration of some of the output options that 
exist for MILS (fig. 3). For example, a special request for "producers" 
should specify whether "current producers" as well as "past producers" are 
required. In the "type of operation" category, a special request for all 
mines must include, at least, all surface, surface-underground, and under- 
ground mines to be reasonably inclusive. 

Special requests are potentially costly, as programing and computer time 
on a custom basis are involved; therefore, quotations are obtained for the 
requestor before the work is undertaken. 

Special Request Listings 

Another type of special request is a list with limited specific data. 
The user might, for example, desire an alphabetic list of locations by town- 
ship and range, a list with only the property name and commodity, or a wide 
variety of combinations limited only by the contents of the data base. 



10 



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FIELD OPERATIONS CENTERS 

A request for Information about the MILS system or the Implementation of 
a MILS request should be directed to the appropriate Field Operations Center. 
Addresses of the four centers follow. 



Alaska Field Operations Center 

Bureau of Mines 

P.O. Box 550 

Juneau, Alaska 99802 



Intermountain Field Operations Center 
Bureau of Mines 

Building 20, Denver Federal Center 
Denver, Colo. 80225 



Eastern Field Operations Center 
Bureau of Mines 
4800 Forbes Avenue 
Pittsburgh, Pa. 15213 



Western Field Operations Center 
Bureau of Mines 
E. 315 Montgomery 
Spokane, Wash. 99207 



12 



APPENDIX A. —COMPUTER ENTRY FORMS 



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APPENDIX B. —COMPUTER CLUSTER OVERLAYS AND PRINTOUTS 

Editor's Note. — In the following figure B-1, a single symbol represents all 
sites at a particular location. 



15 



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16 



167 259 

NAME - COEUR PROJECT REFERENCE NUMBER - 0160790040 

STATE - IDAHO COUNTY - SHOSHONE ELEVATION - 0951 METERS 

LATITUDE - M 29 25 N PRECISION - 100 METERS 

LONGITUDE - 115 59 33 W REFERENCE POINT - MAIN ENT. 

UTM: ZONE 11 NORTHING 5259920 EASTING 575R90 

PUBLIC LAND SURVEY TOWNSHIP - 048 -N RANGE - 004 E 

DESCRIPTION SECTION - 19 E 1/2 
RIVER BASIN - 76U COEUR D ALENE RIVER 7621 DOMAIN - PRIVATE 
STATUS - PRODUCER OPERATION TYPE - UNDERGROUND 

MESA ID NO. 10 00479 YEAR FIELD CHECKED - 
MAP NAME - WALLACE TYPE - 15 MIN USGS TOPO 

1:250,000 MAP NAME - WALLACE 23R MINERAL PROPERTY FILE - 37.176 

PRIMARY NAME - 167 COEUR PROJECT 
COMMODITIES - SILVER COPPER LEAD 

ZINC GOLD 

FRYKLUND V C 1964 USGS PRO PPR 445 P 70 
MILL CAPACITY 450 TPD PRODUCING 100,000 to 500,000 TONS ANNUALLY 

260 
167 NAME - RAINBOW MINE REFERENCE NUMBER - 0160790361 

STATE - IDAHO COUNTY - SHOSHONE ELEVATION - 0899 METERS 

LATITUDE - 47 29 26 N PRECISION - 100 METERS 

LONGITUDE - 115 59 15 W REFERENCE POINT - MAIN ENT. 
UTM: ZONE 11 NORTHING 5259865 EASTING 576271 
PUBLIC LAND SURVEY TOWNSHIP - 048 N RANGE - 004 E 

DESCRIPTION SECTION - 19 SE 1/4 SE 1/4 NE 1/4 
RIVER BASIN - 76U COEUR D ALENE RIVER 7621 DOMAIN - UNDETERMINED 
STATUS - EXPLORED PROSPECT OPERATION TYPE - UNDERGROUND 
MESA ID NO. YEAR FIELD CHECKED - 

MAP NAME - WALLACE TYPE - 15 MIN USGS TOPO 

1:250,000 MAP NAME - WALLACE 238 MINERAL PROPERTY FILE - 00.000 

PRIMARY NAME - 167 RAINBOW MINE 

COMMODITIES - LEAD ZINC SILVER 

HOBBS ET AL 1965 USGS PROF PAPER 478. 

261 

NAME - CUNNINGHAM MINE REFERENCE NUMBER - 0160790304 

168 STATE - IDAHO COUNTY - SHOSHONE ELEVATION - 1736 METERS 

LATITUDE - 47 30 13 N PRECISION - 100 METERS 
LONGITUDE - 115 49 40 W REFERENCE POINT - MAIN ENT. 
UTM: ZONE 11 NORTHING 5261578 EASTING 588280 
PUBLIC LAND SURVEY TOWNSHIP - 048 N RANGE - 005 E 

DESCRIPTION SECTION - 16 SW 1/4 SE 1/4 NW 1/4 
RIVER BASIN - 76U COEUR D ALENE RIVER 7621 DOMAIN - UNDETERMINED 
STATUS - RAW PROSPECT OPERATION TYPE - UNDERGROUND 

MESA ID NO. YEAR FIELD CHECKED - 

MAP NAME - BURKE TYPE - 15 MIN USGS TOPO 

1:250,000 MAP NAME - WALLACE 238 MINERAL PROPERTY FILE - 00.000 

PRIMARY NAME - 168 CUNNINGHAM MINE 
COMMODITIES - LEAD SILVER 

HOBBS AND OTHERS 1965 USGS PROF PAPER 478 

FIGURE B-3. - MILS printout page for Wallace 1:250, 000-scale quadrangle. 










■%■',,- -5^' .^ 



17 



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50 100 MILES 

-1 — H H 

50 100 150 KILOMETERS 















FIGURE B-4. - Clustered MILS locations for Idaho reduced from 1:500,000 scale. 



18 



3660 
1293 NAME 



CALADAY 
STATE - IDAHO 
LATITUDE - 47 
LONGITUDE - 115 
UTM: ZONE 11 
PUBLIC LAND SURVEY 
DESCRIPTION 



REFERENCE NUMBER 
COUNTY - SHOSHONE 
27 44 N PRECISION - 500 METERS 

56 26 W REFERENCE POINT - MAIN ENT. 
NORTHING 5256860 EASTING 579850 
TOWNSHIP - 048 N RANGE - 004 E 
SECTION - 16 NONE 



0160790245 

ELEVATION 



- 1097 METERS 



RIVER BASIN - 76AA LOCHSA RIVER 7627 DOMAIN - PRIVATE 

STATUS - EXPLORED PROSPECT OPERATION TYPE - UNDERGROUND 

MESA ID NO. YEAR FIELD CHECKED - 

MAP NAME - WALLACE TYPE - 15 MIN USGS TOPO 

1:250,000 MAP NAME - WALLACE 238 MINERAL PROPERTY FILE 

PRIMARY NAME - 1293 CALADAY 

COMMODITIES - UNDETERMINED 

3 MI SE OF OSBURN 

USBM LIAISON OFF REPT MNG OP 1972 



00.000 



3661 
1293 NAME 



COEUR PROJECT 
STATE - IDAHO 
LATITUDE - 47 29 
LONGITUDE - 115 59 



REFERENCE NUMBER - 0160790040 
COUNTY - SHOSHONE ELEVATION - 0951 METERS 

25 N PRECISION - 100 METERS 

33 W REFERENCE POINT - MAIN ENT. 
UTM: ZONE 11 NORTHING 5259920 EASTING 575890 
PUBLIC LAND SURVEY TOWNSHIP - 048 N RANGE - 004 E 
SECTION - 19 E 1/2 

COEUR D ALENE RIVER 7621 DOMAIN - PRIVATE 
OPERATION TYPE - UNDERGROUND 
YEAR FIELD CHECKED - 

TYPE - 15 MIN USGS TOPO 

238 MINERAL PROPERTY FILE - 37.176 



DESCRIPTION 
RIVER BASIN - 76U 
STATUS - PRODUCER 
MESA ID NO. 
MAP NAME - WALLACE 
1:25J3,000 MAP NAME - WALLACE 
PRIMARY NAME - 1293 COEUR PROJECT 
OTHER NAMES - 
COMMODITIES - SILVER 

ZINC 
FRYLUND V C 1964 USGS PRO PPR 445 



COPPER 
GOLD 
P 70 



LEAD 



3662 
1293 NAME 



REFERENCE NUMBER 
COUNTY - SHOSHONE 
PRECISION - 100 METERS 
REFERENCE POINT - MAIN ENT. 
EASTING 577900 
RANGE - 004 E 



GALENA MINE 
STATE - IDAHO 
LATITUDE - 47 28 40 N 
LONGITUDE - ITS 57 58 W 
UTM: ZONE 11 NORTHING 5258560 
PUBLIC LAND SURVEY TOWNSHIP - 048 N 

DESCRIPTION SECTION - 29 E 1/2 
RIVER BASIN - 76U COEUR D ALENE RIVER 7621 DOMAIN - PRIVATE 
STATUS - PRODUCER OPERATION TYPE - UNDERGROUND 

MEAS ID NO. YEAR FIELD CHECKED - 

MAP NAME - WALLACE TYPE - 15 MIN USGS TOPO 

1:250,000 MAP NAME - WALLACE 238 MINERAL PROPERTY FILE 

PRIMARY NAME - 1293 GALENA MINE 
COMMODITIES - LEAD ZINC COPPER 

ANTIMONY SILVER 

MINE-TONNES/YR - ORE =254016 LEACH = WASTE= 1975 

PLANT - TYPE=FLOTATION TONNES/YR- INPUT=254016 OUTPUT= 1975 
FRYKLUND V C 1964 USGS PP 445 (GOOD) 
IDA BUM & GEOL BULL 16 (GOOD) 



0160790010 

ELEVATION 



0951 METERS 



64.013 



FIGURE B-5. - MILS printout page for Idaho. 



19 




100 200 300 MILES 



100 200 300 400 KILOMETERS 



FIGURE B-6. - Clustered MILS lead and zinc locations reduced from 1:1,750,000 scale. 



20 



2239 

NAME - CAPITOL SILVER LEAD MINE NO. 2 REFERENCE NUMBER - 0160790293 
608 STATE - IDAHO COUNTY - SHOSHONE ELEVATION - 1496 METERS 

LATITUDE - 47 33 25 N PRECISION - 100 METERS 

LONGITUDE - 115 58 20 W REFERENCE POINT - MAIN ENT. 
UTM: ZONE 11 NORTHING 5267351 EASTING 577323 
PUBLIC LAND SURVEY TOWNSHIP - 049 N RANGE - 004 E 

DESCRIPTION SECTION - 32 NE 1/4 NW 1/4 NE 1/4 
RIVER BASIN - U UNIDENTIFIED CODE DOMAIN - UNDETERMINED 

STATUS - EXPLORED PROSPECT OPERATION TYPE - UNDERGROUND 
MESA ID NO. YEAR FIELD CHECKED - 

MAP NAME - BURKE TYPE - 15 MIN USGS TOPO 

1:250,000 MAP NAME - WALLACE 238 MINERAL PROPERTY FILE - 00.000 

PRIMARY NAME - 608 CAPITAL SILVER LEAD MINE NO. 2 
COMMODITIES - LEAD SILVER 

HOBBS AND OTHERS 1965 USGS PROF PAPER 478 



2240 
608 NAME 



REFERENCE NUMBER - 0160790295 
COUNTY - SHOSHONE ELEVATION 

PRECISION - 100 METERS 
REFERENCE POINT - MAIN ENT. 
5260767 EASTING 574376 
TOWNSHIP - 048 N RANGE - 003 E 
SECTION - 24 NE 1/4 NE 1/4 SW 1/4 
COEUR D ALENE RIVER 7621 DOMAIN - UNDETERMINED 
STATUS - EXPLORED PROSPECT OPERATION TYPE - UNDERGROUND 
MESA ID NO. YEAR FIELD CHECKED - 

MAP NAME - CALDER TYPE - 15 MIN USGS TOPO 

1:250,000 MAP NAME - SPOKANE 207 MINERAL PROPERTY FILE - 00.000 

PRIMARY NAME - 608 COEUR D ALENE MINE 
COMMODITIES - LEAD SILVER 

HOBBS AND OTHERS 1965 USGS PROF PAPER 478 



COEUR D ALENE MINE 
STATE - IDAHO 
LATITUDE - 47 29 53 N 
LONGITUDE - 116 00 45 W 
UTM: ZONE 11 NORTHING 
PUBLIC LAND SURVEY 

DESCRIPTION 
RIVER BASIN - 76U 



0871 METERS 



2241 
508 NAME 



REFERENCE NUMBER 
COUNTY - SHOSHONE 

PRECISION - 100 METERS 
REFERENCE POINT - MAIN ENT. 
5259920 EASTING 575890 
RANGE - 004 E 



COEUR PROJECT 
STATE - IDAHO 
LATITUDE - 47 29 25 N 
LONGITUDE - 115 59 33 W 
UTM: ZONE 11 NORTHING 
PUBLIC LAND SURVEY TOWNSHIP - 048 N 
DESCRIPTION SECTION 19 E 1/2 

cl.Tnc^^^nL;, l^^ '^^^^^ ° '^LENE RIVER 7621 DOMAIN - PRIVATE 

STATUS - PRODUCER OPERATION TYPE - UNDERGROUND 

MESA ID NO . 10 00479 YEAR FIELD CHECKED - 

MAP NAME - WALLACE TYPE - 15 MIN USGS TOPO 

1:250,000 MAP NAME - WALLACE 

PRIMARY NAME - 608 COEUR PROJECT 

COMMODITIES - SILVER COPPER 

ZINC GOLD 

FRYKLUND V C 1964 USGS PRO PPR 445 P 70 
MILL CAPACITY 450 TPD PRODUCING 100,000 to 500,000 TONS ANNUALY 



0160790040 

ELEVATION 



0951 METERS 



238 MINERAL PROPERTY FILE - 37.176 
LEAD 



FIGURE B-7. - Printout page of lead and zinc occurrences in six Western States. 



APPENDIX C— DENSITY PLOT OVERLAYS 



21 




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100 200 300 ^.LOMETERS 



FIGURE C-1. - Density plot of MILS locations reduced from 1:7,500,000 scale. 



22 





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100 



200 



300 



MILES 



100 200 300 
! I I KILOMETERS 



FIGURE C-2. - Density plot of gold occurrences reduced from 1:1,750,000 scale. 



23 



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